This comprehensive Lycoming Aircraft Engines 235 series Parts Manual provides detailed information on all components and parts for the Lycoming 235 series aircraft engines. It serves as an invaluable resource for aircraft mechanics, technicians, and owners who need to identify, locate, and order parts for their Lycoming 235 engine. The manual includes detailed illustrations, diagrams, and descriptions of each part, ensuring precise identification and accurate ordering. This manual provides a wealth of information that enables efficient maintenance, repair, and overhaul of these engines.

The Lycoming Aircraft Engines 235 series, often simply referred to as the "Lycoming 235", is a family of horizontally opposed, air-cooled, four-cylinder aircraft engines renowned for their reliability, simplicity, and widespread use in general aviation aircraft. Initially introduced in 1946, the 235 series has powered countless light aircraft, including iconic models like the Cessna 150/152, Piper Cherokee, and Beechcraft Bonanza. These engines are known for their smooth operation, relatively low maintenance requirements, and ability to withstand the rigors of flight. The 235 series features a robust design, with a cast iron crankcase, steel connecting rods, and aluminum alloy pistons. The engines are equipped with a direct-drive propeller system, typically using a constant-speed propeller for optimal efficiency. They are also characterized by their easy access for maintenance and repair, a crucial factor for aircraft owners and operators.

The Lycoming 235 series encompasses various models, each with distinct power outputs and specific applications. The most common variants include the IO-235, which features fuel injection, and the O-235, which relies on a carburetor for fuel delivery. These engines are available in both fixed-pitch and constant-speed configurations, depending on the aircraft's requirements. The engines are highly versatile, capable of delivering reliable performance in diverse environments, from hot and humid climates to cold and high-altitude conditions. The Lycoming 235 series continues to be a popular choice for many aircraft owners, thanks to its proven reliability, low operating costs, and widespread availability of parts and support. The 235 series is a testament to Lycoming's legacy in providing reliable and durable powerplants for general aviation aircraft, ensuring their continued presence in the skies for generations to come.